jason810496 commented on code in PR #73439:
URL: https://github.com/apache/airflow/pull/73439#discussion_r4140281920
##########
ts-sdk/src/sdk/dag.ts:
##########
@@ -508,6 +639,70 @@ export class Dag {
return spec as TaskSpec;
}
+ #addGroup(parentGroupId: string | undefined, groupId: string): TaskGroupRef {
+ if (typeof groupId !== "string" || groupId.length === 0) {
+ throw new Error(`A task group of Dag "${this.dagId}" must have a
non-empty ID`);
+ }
+ if (groupId.includes(GROUP_SEPARATOR)) {
+ // The separator is what joins a group to what it holds, so one inside an
+ // ID would make the resulting task id ambiguous.
+ throw new Error(
+ `Task group ID "${groupId}" of Dag "${this.dagId}" cannot contain ` +
+ `"${GROUP_SEPARATOR}"; nest groups with taskGroup(...) instead`,
+ );
+ }
+ if (this.#finalized) {
+ throw new Error(
+ `Task group "${groupId}" cannot be added to Dag "${this.dagId}" after
the Dag was read; ` +
+ "declare every group while the module is loading",
+ );
+ }
+ const fullId = prefixWithGroup(parentGroupId, groupId);
+ this.#reserveNodeId(fullId, "Task group");
+ this.#groups.set(fullId, {
+ groupId: fullId,
+ ...(parentGroupId !== undefined && { parentGroupId }),
Review Comment:
Group ids now follow `validate_group_key`: at most 200 characters, letters,
digits, dashes and underscores only.
##########
ts-sdk/src/sdk/dag.ts:
##########
@@ -406,6 +508,25 @@ export class Dag {
taskIdOrHandler: string | ((args: TArgs) => TReturn | Promise<TReturn>),
handlerOrOptions?: ((args: TArgs) => TReturn | Promise<TReturn>) |
TaskOptions,
maybeOptions?: TaskOptions,
+ ): TaskFactory<TArgs, TReturn> {
+ return this.#addTask(undefined, taskIdOrHandler, handlerOrOptions,
maybeOptions);
+ }
+
+ /**
+ * Declare a task group of this Dag.
+ *
+ * The group prefixes the id of every task declared in it, and stands at
+ * either end of an order-only edge in its own right.
+ */
+ taskGroup(groupId: string): TaskGroupRef {
+ return this.#addGroup(undefined, groupId);
+ }
Review Comment:
Added `dag.taskGroup(id, { prefixGroupId: false })`, following Python: the
group's tasks and nested groups keep the ids they are given, and the flag is
serialized as `prefix_group_id` (#73441).
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